It took nearly a hundred years for lasers to become the standard surgical tool that they are today. Lasers are based on a theory developed by Albert Einstein very early in the twentieth century. The ...

While it has become a word, laser used to be an acronym: “light amplification by stimulated emission of radiation”. But there is an even older technology called a maser, which is the same acronym but ...

If you’ve got a laser cutter, it is highly probable that it uses a laser diode. But more expensive machines use a carbon dioxide laser tube along with mirrors. There was a time when these lasers came ...